Penstemon dolius vs wild flower

Penstemon dolius and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Penstemon dolius	Yes	No	No	No
wild flower	Yes	No	No	No

As nouns, wild flower is a hypernym of Penstemon dolius; that is, wild flower is a word with a broader meaning than Penstemon dolius:

Penstemon dolius: low plant with light blue and violet flowers in short clusters near tips of stems; Nevada to Utah
wild flower: wild or uncultivated flowering plant

Other hypernyms of Penstemon dolius include wildflower.

Penstemon dolius (noun)	wild flower (noun)
low plant with light blue and violet flowers in short clusters near tips of stems; Nevada to Utah	wild or uncultivated flowering plant